E.g.f. exp( x/(1 - x - x^2) ) / (1 - x - x^2).
A080834
E.g.f. exp( x/(1 - x - x^2) ) / (1 - x - x^2).
Terms
- a(0) =1a(1) =2a(2) =9a(3) =58a(4) =485a(5) =4986a(6) =60517a(7) =846434a(8) =13384233a(9) =235915570a(10) =4583337761a(11) =97257637962
External references
- oeis: A080834